C71520 Copper-nickel vs. Grade CW12MW Nickel
C71520 copper-nickel belongs to the copper alloys classification, while grade CW12MW nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C71520 copper-nickel and the bottom bar is grade CW12MW nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 220 |
| Elongation at Break, % | 10 to 45 | |
| 4.6 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 51 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 570 | |
| 560 |
| Tensile Strength: Yield (Proof), MPa | 140 to 430 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 960 |
| Melting Completion (Liquidus), °C | 1170 | |
| 1610 |
| Melting Onset (Solidus), °C | 1120 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 410 |
| Thermal Expansion, µm/m-K | 15 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 70 |
| Density, g/cm3 | 8.9 | |
| 9.1 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 13 |
| Embodied Energy, MJ/kg | 73 | |
| 180 |
| Embodied Water, L/kg | 280 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 54 to 130 | |
| 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 67 to 680 | |
| 220 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 22 |
| Strength to Weight: Axial, points | 12 to 18 | |
| 17 |
| Strength to Weight: Bending, points | 13 to 17 | |
| 17 |
| Thermal Shock Resistance, points | 12 to 19 | |
| 16 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.12 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.5 |
| Copper (Cu), % | 65 to 71.6 | |
| 0 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 4.5 to 7.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 16 to 18 |
| Nickel (Ni), % | 28 to 33 | |
| 49.2 to 60.1 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 3.8 to 5.3 |
| Vanadium (V), % | 0 | |
| 0.2 to 0.4 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |